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SAE ARP5996 - HLPS Dynamic Coking

We perform HLPS testing to evaluate the coking propensity of aviation lubricants under single phase flow conditions found in parts of gas turbine engines. A lubricant's tendency to form deposits in an engine oil system is a critical factor that can influence engine design, engine performance, and maintenance intervals. This method is designed to evaluate the coking propensity of synthetic ester-based aviation lubricants under single phase flow conditions found in certain parts of gas turbine engines, including inside bearing feed tubes.

For additional information on this test method or to purchase a copy of the test method, please click HERE to open a new window and visit the SAE International website. Learn more about our laboratory's certifications and quality program here.